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罗老师,您好。在看文章中的验证性因子部分有几个疑问。假设文章有4个变量(1)有些文章的验证性因子分析结果对比了4因素模型和1因素模型的适配性指标,确定了4因素模型好。但有些文章展现了因子载荷,AVE及AVE的开方等说明因素间的建构效度。那么到底应该用什么方法呢?(2)在做这部分分析时,提到了Chi-Square different test,这个在spss或amos里具体怎么操作呢?" ^" u- `8 _7 c, A0 b4 J2 G8 o. M
文章具体的验证性分析过程如下:
; x0 X( {% r5 u# ^) A+ K7 bTo test whether these four scales represent distinguishable constructs, I conducted a confirmatory factor ***ysis (CFA) on the individual responses. A four-factor model, normed fit index (NFI) = .93, comparative fit index (CFI) = .97, root-mean-square error of approximation (RMSEA) = .05, provided a better fit than a one-factor model, NFI = .60, CFI = .62, RMSEA = .19. I also performed a chi-square difference test to assess the significance of increased fit comparing the one-factor model to the four-factor model, △χ2= 935.57,p < .001. Thus, these results recommend the use of the four-factor model。
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